Add weapon data

public/data/weapons/carmine-steel.json

@@ -0,0 +1,13 @@
+{
+  "id": "carmine-steel",
+  "name": "Carmine Steel",
+  "atk": 160,
+  "crt": 16,
+  "rarity": 4,
+  "skills": [
+    {
+      "name": "Protective Field",
+      "description": "[SP: 15][CD: 20s] Grants a shield that absorbs 10% character's Max HP of enemy attack DMG. When the shield exists, character heals 15.0 HP/s and attacks gain 10.0% Total DMG Multiplier. Shield duration: 10s."
+    }
+  ]
+}